Progress against the field
Between Birmingham 2024 and Dublin 2025, Colin O'Hara lost 2:51 to the field.
Over the same races everyone got 12:45 quicker, so 9:54 faster on the clock looks better than it was.
The largest gain on the field came from Rome 2025 → Birmingham 2025: 4:08 in 26 days.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
7 races · 7 events
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Dublin12 Nov 2025Individual Open · Men1:06:3384/955Beat 91%
↑ 21 days after Birmingham 2025 3:15 worse than the field Why ↓Close ↑
0:26 slower on the clock in a race that was 2:49 faster for everyone: 3:15 lost to the field.
The fieldCompare these two →2:49 faster This athlete0:26 slower -
Birmingham22 Oct 2025Individual Open · Men1:06:07 PB88/1600Beat 95%
↑ 26 days after Rome 2025 4:08 better than the field Why ↓Close ↑
4:08 better than the field: 4:50 faster on the clock, against 0:42 faster for everyone.
The fieldCompare these two →0:42 faster This athlete4:50 faster -
Rome26 Sep 2025Individual Open · Men1:10:5778/632Beat 88%
↑ 133 days after Berlin 2025 3:33 worse than the field Why ↓Close ↑
3:33 behind the field: 4:29 slower on the clock, against 0:56 slower for everyone.
The fieldCompare these two →0:56 slower This athlete4:29 slower -
Berlin16 May 2025Individual Open · Men1:06:28112/748Beat 85%
↑ 56 days after Malaga 2025 1:37 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:43 faster on the clock, yet the race was 3:20 faster for everyone, so 1:37 was lost on the field.
The fieldCompare these two →3:20 faster This athlete1:43 faster -
Malaga21 Mar 2025Individual Open · Men1:08:11131/966Beat 86%
↑ 126 days after Dublin 2024 3:08 better than the field Why ↓Close ↑
6:14 faster on the clock, and the race was 3:06 faster for everyone, so 3:08 of it was this athlete.
The fieldCompare these two →3:06 faster This athlete6:14 faster -
Dublin15 Nov 2024Individual Open · Men1:14:25273/1221Beat 78%
↑ 21 days after Birmingham 2024 1:42 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:02 faster on the clock, yet the race was 3:44 faster for everyone, so 1:42 was lost on the field.
The fieldCompare these two →3:44 faster This athlete2:02 faster -
Birmingham25 Oct 2024Individual Open · Men1:16:27438/1916Beat 77%